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Matrix calculator
Determinant, inverse, transpose, and adding or multiplying matrices.
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- Works on any device
About Matrix calculator
Enter matrices to find determinants, inverses and transposes, or to add and multiply them. Multiplication needs the first matrix's column count to equal the second's row count, and order matters: A x B is usually not B x A. An inverse exists only if the determinant is not zero.
How to use Matrix calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
When does a matrix have no inverse?
When its determinant is zero, the matrix is called singular and has no inverse. That means its rows or columns are linearly dependent, so the system it describes is not uniquely solvable.
Is Matrix calculator free?
Yes. Matrix calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.